Summary of Contents for Distech Controls GS-AQOPM Series
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I n s t a l l a t i o n G u i d e GS-AQOPM Series Product Description The Outside Particular Matter Sensor uses an optical sensor based on laser scattering principles and features innovative contaminationresistance technology to perform highly accurate and reliable PM measurements. With a continuous-oper- ation lifetime of more than 8 years, the sensor will provide long-term reliability and high-resolution particle size binning for the detection of environmental dust and other particles.
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Make wire connections as per the “Wiring” illustrations. Once wiring and set up are complete, re-install cover and secure by tightening the four screws using a flat screwdriver. See Figure 5. GS-AQOPM Series...
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The maximum daisy chain length (seg- ment) depends on transmission speed (baud rate), wire size and number of nodes. If communication is slow or unreliable, it may be necessary to wire two daisy chains to the controller with a repeater for each segment. GS-AQOPM Series...
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PM range, the PM alarm setpoint (if applicable) and the analog output type for two seconds each. If the network option is installed, then the start-up sequence will also show the network protocol, the baud rate and the device address. Then the device will start normal operation and display the PM concentration value. GS-AQOPM Series...
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3. Analog output The analog output defaults to Direct (4-20 mA, 0-5 Vdc or 0-10 Vdc). Use <ROLL> to change it to Reverse (20-4 mA, 5-0 Vdc or 10-0 Vdc) if required. <MENU> Press to advance to next menu item. GS-AQOPM Series...
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12. Address The default network address is 3 for BACnet and 1 for Modbus. Use ® <ROLL> to select 0-127 for a BACnet device or 1-255 for a Modbus ® device. <MENU> Press to advance to next menu item. GS-AQOPM Series...
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